郵便で.
per post
to submit one's writing for publication
寄せ書きする
of many people, to write a few lines each on one sheet of paper
to dictate to one
the act of many people writing something on one sheet of paper
さし向ける
する
郵便で.
per post
After inputting
after next
今後(は).
something that comes after another thing
事後に
この直後
immediately after this
あとから追いかける